Crazy POWERFUL Bash Prompt. From setting the window title to show the last run command (filtered), saving your history and keeping multi-session history intact, resetting the color/cursor/highlighting of errant color-emitting commands, these 2 prompt examples do more than meet the eye and are extremely fast.
Don't have much time or just don't care? No problem, this is a simple copy and paste... here's one to start (all 1 line, just cut and paste right into the shell, once you've made sure its safe). Basic POWER PROMPT ^ PROMPT_COMMAND='history -a;echo -en "\033[m\033[38;5;2m"$(( `sed -n "s/MemFree:[\t ]\+\([0-9]\+\) kB/\1/p" /proc/meminfo`/1024))"\033[38;5;22m/"$((`sed -n "s/MemTotal:[\t ]\+\([0-9]\+\) kB/\1/Ip" /proc/meminfo`/1024 ))MB"\t\033[m\033[38;5;55m$(< /proc/loadavg)\033[m"' \ PS1='\[\e[m\n\e[1;30m\][$$:$PPID \j:\!
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